Rogerella
Formation: Graham Formation Age: Carboniferous (Pennsylvanian) Dimensions: [to be added] Self-collected between 2019-2021. Trace fossil that shows evidence of borings from barnacles. Goniocladia grahamensis (bryozoan) (tentative identification)
Formation: Graham Formation Age: Carboniferous (Pennsylvanian) Dimensions: scale bar in second image is 6 inches/15.24 cm Self-collected November 2022. Crinoid spines
Formation: Graham Formation Age: Carboniferous (Pennsylvanian) Dimensions: [to be added] Cladochonus fragilis (tabulate coral)
Formation: Graham Formation Age: Carboniferous (Pennsylvanian) Dimensions: [to be added] Self-collected in 2022. Genus/Species: Deltodus sp.
Locality: Graham Formation, Texas Age: Pennsylvanian Dimensions: approx. 2.3 cm x 1.5 cm Self-collected July 2021. Genus/Species: Crinoids
Localities represented here: Graham Formation, Mineral Wells Formation, and Harpersville Formation Age: Carboniferous (Pennsylvanian) Dimensions: Varies; stalk partials of my specimen range from 1-2 cm to about 7 cm. Self-collected between 2019-2022. Alethopteris serli, specimens #SAV001 & #SAV002
Locality: Savannah Formation, Oklahoma Age: Carboniferous (Pennsylvanian) Dimensions: to be added Collected February 2022 Lophophyllidium spinosum is a fairly common and easily recognizable rugose coral due to its many protrusions; another common species, L. plummeri, doesn't have this feature. Rugose corals can either be solitary (like those pictured here), or colonial, like the well-known Hexagonaria that most people recognize as Petoskey stone. Solitary corals are often called "horn coral" due to their shape and, although rugose corals died out during the Permian mass extinction, other solitary corals can be found in the Cretaceous (like Parasimilia) and the Eocene (like Turbinolia).
For further reading on rugose corals, I suggest the page "Rugose Coral" from Digital Atlas of Ancient Life and "Interesting Horn Corals" from Fossil Lady. Genus/Species: Lyphophyllidium spinosum Locality: Finis Shale member of the Graham Formation Age: Late Carboniferous (Pennsylvanian) Dimensions: varies Self-collected many specimens between 2019-2022. Trepospira illinoisensis, a Pennsylvanian aged gastropod.
Genus/Species: Trepospira illinoisensis Locality: Finis Shale member of the Graham Formation Age: Pennsylvanian Dimensions: [to be added] Self-collected between 2019-2021. |
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